Sony MDS-JA50ES Service Manual page 67

Pin No. Pin Name
SRC TEST
45
46 to 48 —
49 DAMUTE
STB
50
51 OUTSW
INSW
52
53 —
54 LDIN
LDOUT
55
56 HUP
HDWN
57
37RST
58
59 HUPS
HDOWNS
60
61 REC/PB
62 VCC
63 —
VSS
64
65 —
MOD
66
67 SCTX
68 FG
FOK
69
70 SHCK
WRPWR
71
72 DIG-RST
73 —
SDA
74
75 SCL
SENS
76
77 PROTECT
78 REFLECT
LDON
79
80 LIMIT-IN
I/O
O The second reset signal output from sampling rate converter
— Not used
O D/A line mute output
O Strobe signal output to power supply circuit When power is ON:"H", When standby:"L"
I Detection input from loading out detection switch
I Detection input from loading in detection switch
— Not used
O
Loading motor control output
O
O
Magnetic head up/down control output
O
O Reset signal output to ATRAC encoder/decoder "L":Reset
I Detection input from magnetic head up detection switch
I Detection input from magnetic head down detection switch
Recording/playback selection signal output to CXD2535CR
O
When recording:"H", when playing back:"L"
— Power supply (+5V)
— Not used
— Ground
— Not used
Laser modulation switching signal output
During playback power: "L", During stop:"H"
During recording power:
O
Write data transmission timing output to ATRAC encoder/decoder
O
Used also as magnetic head ON/OFF output
I FG detection signal output from spindle motor driver
FOK signal input from CXD2535CR
I
"H" is input when focus is set
I Track jump detection signal input from CXD2535CR
O Laser power switching signal output to optical pick-up and CXD2535CR
O Digital reset signal output
— Not used
I/O Input/output of data signal with EEPROM
O Clock signal output to EEPROM
I Internal status (SENSE) input from CXD2535CR
Recording prevention tab detection input from protect detection switch
I
When protect is ON:"H"
Disc reflection rate detection input from reflect detection switch
I
When low reflection rate disc is used:"H"
O Laser ON/OFF control output "H":Laser ON
Detection input from limit-in switch
I
When sled limit in:"L"
— 89 —
Function
"L":Active
0.5S
2S